<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,index) in goodsList" :key="index" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求对象
				queryObj:{
					// 查询关键字
					query:'',
					// 商品id
					cid:'',
					// 页码值
					pagenum:1,
					// 每页显示多少数据
					pagesize:10,
					// 节流阀
					isloading:false
				},
				goodsList:[],
				total:0
			};
		},
		// 页面跳转携带的参数通过 options 接受
		onLoad(options) {
			console.log(options)
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			
			this.getGoodsList()
		},
		methods:{
			// 获取商品列表数据
			async getGoodsList(cb){
				// 打开节流阀
				this.isloading = true
				const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
				// 关闭节流阀
				this.isloading = false
				cb && cb()
				if(res.meta.status !== 200) return uni.$showMsg()
				console.log(res)
				this.goodsList = [...this.goodsList,...res.message.goods]
				this.total = res.message.total
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id 
				})
			}
		},
		//  页面触底事件
		onReachBottom(){
			if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('没有更多商品啦')
			if(this.isloading){
				return
			}
			// 让页码值自增 +1
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		// 上拉刷新事件
		onPullDownRefresh() {
			// 充值关键数据
			this.queryObj.pagenum = 1
			this.queryObj.isloading = false
			this.total = 0
			this.goodsList = []
			// 重新发起
			this.getGoodsList(()=>{uni.stopPullDownRefresh()})
		}
	}
</script>

<style lang="scss">
.goods-item {
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    margin-right: 5px;

    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }

  .goods-item-right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
    }

    .goods-price {
      font-size: 16px;
      color: #c00000;
    }
  }
}
</style>
